body {
    display: flex;
    flex-direction: column;
}
main {
    background: url(../../assets/imgs/bg-2.png) no-repeat center center;
    background-size: cover;
    position: relative;
    flex: 1;
    text-align: center;
    #add86{
        position: absolute;
        left: 30px;
        top: 250px;
        span{
            position: absolute;
            left: 34px;
            top: 5px;
            background: none;
            display: inline-block;
            width:0;
            height:0;
            border-top: 10px solid white;
            border-left: 10px solid white transparent;
            border-right: 10px solid white transparent;
            border-bottom: 10px solid white transparent;
        }
    }
    h3 {
        position: absolute;
        left: 260px;
        top: 40px;
        width: 80px;
        height: 28px;
        color: rgba(255, 255, 255, 100);
        font-size: 20px;
        text-align: center;
        font-family: PingFangSC-regular;
    }
    h1 {
        position: absolute;
        left: 32px;
        top: 124px;
        width: 210px;
        height: 40px;
        color: rgba(255, 255, 255, 100);
        font-size: 28px;
        text-align: left;
        font-family: PingFangSC-bold;
    }

    p {
        position: absolute;
        left: 32px;
        top: 169px;
        width: 250px;
        height: 22px;
        opacity: 0.6;
        color: rgba(255, 255, 255, 100);
        font-size: 16px;
        text-align: left;
        font-family: PingFangSC-regular;
    }

    input{
       outline: none;
        border: 0; 
        color: white; 
    }
    input::placeholder{
        color: white;
       }
    #number {
        position: absolute;
        left: 12px;
        top: 234px;
        width: 350px;
        height: 50px;
        line-height: 20px;
        // opacity: 0.5;
        border-radius: 25px;
        background-color: rgba(255, 255, 255, 0.5);
        // text-align: center;
        padding-left: 80px;
    }

    #code {
        position: absolute;
        left: 12px;
        top: 304px;
        width: 213px;
        height: 50px;
        line-height: 20px;
        // opacity: 0.5;
        border-radius: 25px;
        background-color: rgba(255, 255, 255, 0.5);
        // text-align: center;
        padding-left: 20px;
    }

    span {
        position: absolute;
        left: 237px;
        top: 304px;
        width: 123px;
        height: 50px;
        background: darkorchid;
        text-align: center;
        line-height: 50px;
        font-size: 26px;
    }

    #pwd {
        position: absolute;
        left: 12px;
        top: 373px;
        width: 351px;
        height: 50px;
        line-height: 20px;
        // opacity: 0.5;
        border-radius: 25px;
        background-color: rgba(255, 255, 255, 0.5);
        padding-left: 20px;
    }

    #pwdag {
        position: absolute;
        left: 12px;
        top: 441px;
        width: 351px;
        height: 50px;
        line-height: 20px;
        // opacity: 0.5;
        border-radius: 25px;
        background-color: rgba(255, 255, 255, 0.5);
        padding-left: 20px;
    }

    #btn {
        position: absolute;
        left: 12px;
        top: 511px;
        width: 350px;
        height: 50px;
        line-height: 20px;
        // opacity: 0.5;
        border-radius: 25px;
        background-color: rgba(99, 255, 167, 0.5);
        color: white;
        text-align: center;
        border: 0;
        font-size: 16px;
    }

    h2 {
        position: absolute;
        left: 155px;
        bottom: 30px;
        width: 104px;
        height: 22px;
        color: rgba(255, 255, 255, 100);
        font-size: 16px;
        text-align: left;
        font-family: PingFangSC-regular;
    }
}
